First Comes Love (HBO, 9 p.m.) — Over a six-year span, documentarian Nina Davenport chronicles what it’s like to want a baby in your 40s, ask your gay friend to become a sperm donor, and lose your mom. Not good?

Under the Dome (CBS, 10 p.m.) — Are dome puns the new Dean puns? I dome think so, but it’s close.

Longmire (A&E, 10 p.m.) — Katee Sackhoff should be on Justified. That is all.

LATE NIGHT GUESTS: Denzel Washington on Letterman; Kristen Bell and Jake Johnson on Leno; Neil Patrick Harris and Clayton Kershaw on Kimmel; Courtney Love on Ferguson; Mark Wahlberg and J. Mascis on Fallon; Eric McCormack and Franz Ferdinand on Conan; Mark Leibovich on Stewart; and the Lumineers on Colbert.